<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<select  id="woe" name="" onchange="UU()">
			<option value ="">选择</option>
			<option value="https://www.baidu.com">百度</option>
			<option value="https://www.163.com">网易</option>
			<option value="https://www.taobao.com">淘宝</option>
		</select>
	</body>
	<script type="text/javascript">
		function UU(){
			var web66=document.getElementById('woe').value;
			location.href=web66;
		}
	</script>
</html>
